/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
#ifndef OMNISTREAM_BARRIERHANDLERSTATE_H
#define OMNISTREAM_BARRIERHANDLERSTATE_H

#include "runtime/io/network/api/CheckpointBarrier.h"
#include "runtime/partition/consumer/InputChannelInfo.h"

using omnistream::InputChannelInfo;

class Controller {
public:
    virtual ~Controller() = default;
    virtual bool AllBarriersReceived() const = 0;
    virtual const CheckpointBarrier* GetPendingCheckpointBarrier() const = 0;
    virtual void TriggerGlobalCheckpoint(const CheckpointBarrier& checkpointBarrier) = 0;
    virtual void InitInputsCheckpoint(const CheckpointBarrier& checkpointBarrier) = 0;
    virtual bool IsTimedOut(const CheckpointBarrier& barrier) = 0;
};

class BarrierHandlerState {
public:
    virtual ~BarrierHandlerState() = default;

    virtual BarrierHandlerState* BarrierReceived(
        Controller* controller,
        InputChannelInfo channelInfo,
        CheckpointBarrier* barrier,
        bool markChannelBlocked) = 0;

    virtual BarrierHandlerState* AlignedCheckpointTimeout(
        Controller* controller,
        CheckpointBarrier* barrier) = 0;

    virtual BarrierHandlerState* FinishCheckpoint() = 0;
};

#endif // OMNISTREAM_BARRIERHANDLERSTATE_H